Chapter 8 - Thermal Processes Review Quiz

People sit around a campfire to warm themselves up in the winter. What is the main mode of heat transfer in this scenario?

• Conduction

• Convection

• Radiation

• Not possible to tell

Zoey's house is designed to stay cool in a hot climate. As such, she decided to paint the outside of her house white. This is because white is a good ....................... of radiation.

• absorber

• emitter

• radiator

• reflector

A thin layer of air trapped between two glass panes reduces energy transfer via ........................... through the window.

• Conduction

• Convection

• Radiation

• Not possible to tell

Which of the following methods would not produce convection currents in a container filled with water at 30°C?

• dropping a piece of hot metal into the water

• floating a piece of ice on the water

• lighting a candle beneath the container

• placing a 100W lighted bulb just above the water surface

3.0 kg of ice at 0°C is floating on 6.0 kg of water at 0°C. Which of the following statements is correct?

• There is net heat flow from the ice to the water.

• There is net heat flow from the water to the ice.

• There is no net heat flow between ice and water

• There is no heat flow between ice and water

Water is being heated in a metal pot at a campfire. State the main process where thermal energy is transferred from the bottom of the pot to the water inside the pot.

• Conduction

• Convection

• Radiation

• Not possible to tell

Water is being heated in a metal pot at a campfire. State the main process where thermal energy is transferred throughout the water in the pot.

• Conduction

• Convection

• Radiation

• Not possible to tell

Internal energy of a body is ................................

• the sum of kinetic energy due to motion of particles and potential energy due to intermolecular forces between particles

• the sum of kinetic energy due to motion of particles and potential energy due to motion of particles

• the sum of kinetic energy due to motion of particles and electric energy due to electrostatic forces between atoms

• the sum of kinetic energy due to motion of particles and thermal energy due to the heating of particles

• the sum of potential energy due to intermolecular forces between particles and thermal energy due to the heating of particles